- Dr. Matt Lambert was identified as the gunman who opened fire inside a VIDA Fitness gym in Washington, D.C., killing one person and injuring four others, NBC News andThe Washington Sun said, citing law enforcement sources.
- Officials stated the shooting was linked to an ongoing conflict and legal dispute between Lambert and his homeowners association over building defects in his apartment.
- After fleeing the gym, Lambert barricaded himself inside his seventh-floor apartment, fired shots at responding officers, and took his own life.
- Dozens of gym-goers fled into the street as tactical police units converged on the Logan Circle neighborhood and placed the area on lockdown.
- Authorities are continuing to investigate the incident and an online document linked to Lambert that detailed his grievances against the building management.
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